JPS645950U - - Google Patents
Info
- Publication number
- JPS645950U JPS645950U JP9724687U JP9724687U JPS645950U JP S645950 U JPS645950 U JP S645950U JP 9724687 U JP9724687 U JP 9724687U JP 9724687 U JP9724687 U JP 9724687U JP S645950 U JPS645950 U JP S645950U
- Authority
- JP
- Japan
- Prior art keywords
- groove
- cover
- lid
- frame
- climb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Description
第１図は平面図、第２図は断面図（あけた状態
）、第３図は断面図（とじた状態）。
１は手掛、２は蓋、３は落しこみ部、４は枠。
Fig. 1 is a plan view, Fig. 2 is a sectional view (opened state), and Fig. 3 is a sectional view (closed state). 1 is the handle, 2 is the lid, 3 is the drop-in part, and 4 is the frame.
Claims (1)
けた際にこの溝に落しこんで建かけるようにし、
蓋の下側（閉じた際）につけた手掛か所につかま
り安全に昇降しようというもの。 A groove is provided on one side of the frame of the hole cover so that when the cover is opened nearly 90 degrees, it will fall into this groove and be erected.
It allows you to climb up and down safely by holding on to the handholds attached to the underside of the lid (when closed).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9724687U JPS645950U (en) | 1987-06-24 | 1987-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9724687U JPS645950U (en) | 1987-06-24 | 1987-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS645950U true JPS645950U (en) | 1989-01-13 |
Family
ID=31322543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9724687U Pending JPS645950U (en) | 1987-06-24 | 1987-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS645950U (en) |
-
1987
- 1987-06-24 JP JP9724687U patent/JPS645950U/ja active Pending